Curated Video
Similar Figures and Scales
Students learn to solve ratio problems using similar figures and scales
Curated Video
Angles of Triangles and Similarity
In this video, the teacher reviews how to find angles in triangles using the triangle angle sum theorem. The teacher walks through four parts of a standardized math test question, showing step-by-step how to find missing angle...
Curated Video
Similar Figures, Angle-Angle Similarity and Indirect Measurement
In this video lesson, we explore similar figures and indirect measurement in math. We learn about corresponding sides and angles, how to use similarity to solve problems, and even how to find the height of an object using indirect...
Brian McLogan
ACT SAT Prep How to determine the perimeter of a triangle using similar triangles
ACT SAT Prep How to determine the perimeter of a triangle using similar triangles
Brian McLogan
Showing you have a proportion for similar triangle given points
👉 Learn how to determine whether two triangles are similar given the coordinate points of the vertices of the triangle. Two triangles are said to be equal when the corresponding angles of the triangles are congruent (equal) or when the...
Curated Video
Understanding Dilations and Similar Triangles
In this video, the teacher explains how to determine if two triangles are similar under dilation. They review the properties of dilation and similar figures, such as proportional corresponding sides and congruent corresponding angles.
Curated Video
Triangle Similarity and Indirect Measurement
In this video lesson on triangle similarity and indirect measurement, students will learn how to find missing side lengths and use angle angle similarity to solve problems. Through real-world examples and step-by-step explanations,...
Curated Video
Dilations: A Mathematical Change in Size
This video lesson introduces dilations. Dilations are a transformation that changes the size of a figure by enlarging it by a scale factor greater than one or by reducing it by a scale factor less than one. Real world examples are...
Curated Video
Finding the Height of a Building using Similar Triangles
In this video lesson, students will learn how to find the height of a building using the angle-angle criterion for similar triangles. The teacher explains the concept of similar figures, including corresponding angles and corresponding...
Brian McLogan
Solving for x for two similar polygons
Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the sides...
Curated Video
Grade 8 Test Prep: Calculator Section Practice Questions
In this video, the teacher provides practice questions for Grade 8 students to prepare for end-of-year assessments or finals. The questions are based on Common Core standards and cover various topics such as geometry, linear equations,...
Curated Video
Grade 8 Common Core Math YEAR END REVIEW Part A
This video lesson provides guided practice to prepare for a Grade 8 Common Core Mathematics cumulative assessment. The questions that are presented and modeled are the released 2018 MCAS Session A questions. A calculator is not permitted...
Curated Video
Similar Figures
In this video lesson, we will learn the definition of similar figures. Similar figures are figures that are the same shape but different sizes. Similar figures have corresponding sides that are proportional and corresponding angles that...
Curated Video
Dilations
This video lesson introduces dilations. Dilations are a transformation that changes the size of a figure by enlarging it by a scale factor greater than one or by reducing it by a scale factor less than one. Real world examples are...
Curated Video
How You Can Determine Similarity
In this video lesson, we will learn the definition of similar figures. Similar figures are figures that are the same shape but different sizes. Similar figures have corresponding sides that are proportional and corresponding angles that...
Curated Video
Using Similar Rectangles to Find a Missing Side
In this short video we will answer a standardized math test question using similar figures to find a missing dimension of a rectangle. We will review that similar figures have corresponding sides that are proportional. We will use the...
Brian McLogan
Given similar figures determine your missing values
Learn how to solve with similar polygons. Two polygons are said to be similar if the corresponding angles are congruent (equal). When two polygons are similar the corresponding sides are proportional. Knowledge of the length of the sides...
Curated Video
Similar Figures, Angle-Angle Similarity and Indirect Measurement
In this video lesson, we learn about similar figures and indirect measurement. The teacher explains how to identify similar figures, find missing side lengths using proportional ratios, and use angle-angle similarity to solve problems....
Curated Video
Find Corresponding Angles of Similar Triangles
In this short video we will answer a standardized math test question where we are asked to identify a missing angle of a triangle. We will review the definition and meaning of similar triangles. We will identify which angle corresponds...
Curated Video
Determining Similarity of Figures Using Dilations and Scale Factors
This video explains how to determine if two figures are similar using dilations and scale factors. It reviews the concept of similar figures, which have the same shape but different sizes and corresponding congruent angles. The video...
Curated Video
Understanding the Relationships between Similar Triangles through Translations and Dilations
This video explains the concept of similar triangles and their side and angle relationships. The video discusses how similar triangles have the same shape but not necessarily the same size, and how dilations and translations can be used...
Curated Video
Finding Missing Measures in Similar Figures
In this lesson, students will learn how to find missing measures in similar figures by solving algebraic equations. They will review rigid transformations and understand how to determine if polygons are similar.
Curated Video
Finding Angle Measurements Using Corresponding Angles
In this video, students will learn how to find the measurements of angles created when parallel lines are cut by a transversal by using corresponding angles. The video explains the concept of corresponding angles in similar figures and...
Curated Video
Exploring Similarity: Comparing Triangles with Congruent Angles
In this video, the teacher explains the concept of similarity in triangles by comparing congruent angles. They differentiate between congruent and similar figures, highlighting that similar figures have the same shape but not the same size.